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3 years ago

The process of isotopes breaking down and emitting particles, such as alpha or beta, to form a new substance.

Chemistry

2 answers:

RUDIKE [14]3 years ago

6 0

Answer: The process is called as nuclear decay process.

Explanation:

Nuclear reaction are defined as the reactions in which nucleus of an atom is involved.

Isotopes under decay process in order to attain stability.

Unstable isotopes known as parent isotopes undergo various decay processes to form stable isotopes known as daughter isotopes.

The various decay processes are:

Alpha decay: In this process, alpha particle is released.
Beta decay: In this process, beta decay is released.
Gamma decay: In this process, gamma decay is released.

Hence, the process is called as nuclear decay process.

Sladkaya [172]3 years ago

5 0

This is called decay

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Which of the following is true about the Lewis structure of NF3? Really need help

Ganezh [65]

Answer:

All of the above.

Explanation:

Hello there!

In this case, according to the definition of the Lewis structures, which are represented by the valence electrons, we first identify that the N atom has five valence electrons and each fluorine has seven valence electrons.

In such a way, we cans say that N is the central atom due to its lower electronegativity, the molecule has 7+7+7+5=26 valence electrons and the three F-N bonds are covalent, therefore the answer is all of the above.

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7 0

3 years ago

What is the product of the reduction of an aldehyde?

Elza [17]

Answer:

Achol

Explanation:

Reduction of other aldehydes gives primary alcohols. Reduction of ketones gives secondary alcohols. The acidic work-up converts an intermediate metal alkoxide salt into the desired alcohol via a simple acid base reaction.

5 0

3 years ago

Which of the following changes of states are exothermic and endothermic? (Choose 2 exothermic and 3 endothermic processes.)

Luba_88 [7]

Answer:I think that the exothermic things are vaporization and melting and the endothermic things are freezing, sublimation, condensation.

Explanation: Why? Because two of them have to do with hot and the other three have to do with cold

5 0

4 years ago

Calculate the ph of a solution formed by mixing 200.0 ml of 0.30 m hclo with 300.0 ml of 0.20 m kclo. the ka for hclo is 2.9 × 1

masha68 [24]

Answer:

The pH of the solution will be 7.53.

Explanation:

Dissociation constant of KClO= $K_a=2.8\times 10^{-8}$

Concentration of acid in 1 l= 0.30 M

Then in 200 ml = $0.30 M\times 0.200 L=0.06 M$

The concentration of acid, HClO=[acid]= 0.006 M

Concentration of salt in 1 L = 0.20 M

Then in 300 ml = $0.20 M\times 0.300 L=0.06 M$

The concentration of acid, KClO=[salt]= 0.006 M

The pH of the solution will be given by formula :

$pH=pK_{a}^o+\log\frac{[salt]}{[acid]}$

$pH=-\log[2.8\times 10^{-8}]+\frac{[0.06 M]}{[0.06 M]}$

The pH of the solution will be 7.53.

4 0

4 years ago

Read 2 more answers

Redi placed pieces of meat in several jars. He divided the jars into two groups. He covered the first group of jars with fine cl

OlgaM077 [116]

Answer:

Experiment Question, Independent & Dependent Variable, Null & Alternate Hypothesis

Explanation:

Experiment Question : Whether fine cloth coverage over chicken jars effect flies & their eggs in ambience ?

Independent Variable : The causal variable, ie cloth cover existence on the chicken jar

Dependent Variable : The resultant variable, ie presence of flies & their eggs near jar, meat

Null Hypothesis [H0] : Cloth cover on chicken jar doesn't effects flies' & eggs' presence around jar, chicken.

Alternate Hypothesis [H1] : Cloth cover on chicken jar effects flies' & eggs' presence around jar, chicken.

6 0

3 years ago